Improvement in nozzles and stoppers for cans



UNITED STATES PATENT OFFICE.

MELLEN BRAY, OF BOSTON, MASSACHUSETTS.

IMPROVEMENT IN NOZZLES AND.STOPPERS FOR CANS, 80C.

Specification forming part of Letters Patent No. 103,420, dated May 24,18,70.

To all whom t may concern.:

Be it known that I, MELLEN BRAY, of Boston, county of Suffolk, and Stateof Massachusetts, have invented a new and Improved Nozzle and Stopperfor Cans and other Vessels, of which the following is a specification.

My invention consists of a can-nozzle, provided with a screw-thread anda valve-seat, in combinationv with a stopper made of sheet metal, andprovided with a conical valve-surface, and a screw-thread to fit thevalveseat and screwthread of the nozzle into which it is screwed, ashereinafter described. The stopper is preferably made from a single orundivided piece of sheet metal, struck up or other-` wise formed. intothe desired shape; and I also prefer to form the nozzle in a similarmanner. The Whole device is simple, easily and cheaply manufactured, andserves to seal and close the can tightly against the escape of theliquid or other substance which it may contain.

To enable those skilled in the art to make and use my invention, I willnow proceed to describe the manner in which the same is or may becarried into effect, by reference to the accompanying drawings, inwhich- Figure l is an elevation of the stopper detached from the nozzle.Fig. 2 is a vertical central section through the nozzle and stopper whenthe same are tted together.

The stopper A is formed from a single piece of sheet metal, struck up inthe cup form shown in the drawings, and provided with a screw-threadaround its upper part, and a conical valve-surface, b, .around its lowerend.

The nozzle B (shown in Fig. 2) is attached to the can C or other vessel,in the usual manner, and, like the stopper, is struck up from a singleor undivided sheet of metal, with a screw-thread, e, to receive thescrew-thread a of the stopper, and a circular valve-seat, d, below thescrew-thread c to receive the conical valve end b of the stopper. Inclosing the can, the stopper is screwed into the nozzle until theconical valve-surface b is forced tightly against the valve-seat d, andthe can is thus securely scaled against the escape of any of itscontents. The conical valve, owing tothe comparatively thin metal ofwhich it is made, will, when jammed against the valve-seat, fit itperfectly. By forming the nozzle and stopper each of an undivided pieceof sheet metal, they can be proluced with great ease, while they arestronger and better in every way than when made with joints or of two ormore pieces.

W'hat I claim as my invention, and desire to 'secure by Letters Patent,is-

1. The screw threaded and conical valvestopper, in combination with thescrew-threaded nozzle, provided with a circular valve-seat to receivethe conical valve portion of said stopper, as shown and set forth.

2. The stopper formed from an undivided piece of metal, and providedwith a conical valve-surface and an exterior screw-thread, substantiallyas set forth.

3. A can-nozzle formed from an undivided piece of sheet metal, andprovided with an internal screw-thread, and a valve-seat to receive thevalve and thread of the stopper, substantially as described.

In testimony whereof I have signed my naine to this specification beforetwo subscribing witnesses.

MELLEN BRAY.

Vitn esses:

JOHN D. LONG, ADDISON J. SEAWARD.

